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Finding the Fourth Proportional to 615,415.02, 923,534.85 and 216,056.97

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Solution

The fourth proportional to 615,415.02, 923,534.85 and 216,056.97 is: 324,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,415.02 : 923,534.85 = 216,056.97 : x
  2. Step 2: Convert to fraction form
    615,415.02/923,534.85 = 216,056.97/x
  3. Step 3: Cross multiply
    615,415.02x = 923,534.85 × 216,056.97
  4. Step 4: Simplify right side
    615,415.02x = 199,536,141,380.41
  5. Step 5: Solve for x
    x = 199,536,141,380.41/615,415.02
  6. Step 6: Final answer
    x = 324,230.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.